1216676051 has 2 divisors, whose sum is σ = 1216676052. Its totient is φ = 1216676050.

The previous prime is 1216676023. The next prime is 1216676101. The reversal of 1216676051 is 1506766121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1216676051 - 2¹⁴ = 1216659667 is a prime.

It is a super-2 number, since 2×1216676051² = 2960601226153909202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1216678051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608338025 + 608338026.

It is an arithmetic number, because the mean of its divisors is an integer number (608338026).

Almost surely, 2^1216676051 is an apocalyptic number.

1216676051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216676051 is an equidigital number, since it uses as much as digits as its factorization.

1216676051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1216676051 is about 34880.8837474053. The cubic root of 1216676051 is about 1067.5584271852.

The spelling of 1216676051 in words is "one billion, two hundred sixteen million, six hundred seventy-six thousand, fifty-one".